Name	Info	Provider	Link
	free resource	LANL HIV Databases	https://www.hiv.lanl.gov/components/sequence/HIV/search/d_search.comp?pub_pubmedentry=2893293
	subscription/membership/fee required	Nature Publishing Group	https://doi.org/10.1038/331619a0
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:2893293